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If you selected more than one Phone to add, or if you press add again, then you will receive
the error message “Cannot correlate a Phone Select switch to more than one phone
module”.
NOTE: The general purpose nature of the Add Correlations dialog means that it cannot
prevent multiple selection. The error is detected after you press Add.
Linked Items
Selector Switches whose operation is linked with a switch on another CPU will be marked
with an asterisk. By right clicking and selecting View Linked Items, you can see the CPU,
Frame and Index of the other switch(es).
Call Control
The call control feature allows an operator at one node to execute a call-in to all other
master handset in the network.
Call Control can be configured if two or more nodes are equipped with an audio controller
and master telephone.
Assign a Telephone Selector Switch on the node where the user is to receive the Call
Control. If this node has a master telephone, and if there are remote nodes with masters, an
additional tab - Call Control - appears on the Add Correlations dialog. It lists all of the
remote nodes that can potentially participate in Call Control. Select the node that is to
initiate Call Control.
When the remote user picks up the master telephone and presses Call Control, this sets the
remote node's Call Control status and initiates a call-in. The LED associated with the
correlated telephone selector begins to flash and the operator can press the switch to
accept the call as if it were from a remote handset. The two master telephones are then
connected. It is recommended that you assign switches for each master handset at each
node that has a master handset to ensure that a Call Control call can be accepted or
canceled.
Call Control is a toggle operation. Pressing the switch again cancels the call-in.
In order to be able to define Call Control correlation (master telephone correlation) User
needs the following:
• Audio Controller shall be defined, Master Handset checkbox on it shall be
checked;
• Master Telephone adder shall be defined.
Note: Once master telephone correlation is defined the user will not be able to delete
Phone Select switch, Telephone/Page Selector adder or the Node where the switch with
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